Charles Larsen | White & Case LLP International Law Firm, Global Law Practice

Charles Larsen

Partner, Boston

T +1 617 979 9336


As a US patent attorney and English solicitor, Chuck Larsen provides clients insightful and multijurisdictional counsel in intellectual property portfolio strategy, transactions and disputes, with particular experience in the medical technology space.


Charles (Chuck) Larsen is an Intellectual Property partner based in the Firm's Boston office, with a dual practice in London. He concentrates his practice on providing strategic patent advocacy and is licensed to practice before the US Patent and Trademark Office (USPTO), the European Patent Office (EPO) and the UK High Court.

His patent practice includes advising on multijurisdictional disputes, conducting patent validity, infringement and freedom to operate studies, and IP due diligence for patents held in the US and Europe. He advises clients in inter partes review, European oppositions, litigation strategies and other post-grant proceedings. He has served as counsel of record in nine Patent Trial and Appeal Board (PTAB) proceedings and reexaminations and in numerous EPO oppositions. Chuck's practice also includes portfolio due diligence for equity investments and acquisitions, working with clients to structure their transactions to address the intellectual property risks involved. A significant part of his practice involves advising clients on developing and positioning strategic patent portfolios for licensing and litigation.

Chuck has advised on a wide range of engineering and technology applications, including medical technologies, drug delivery systems, consumer electronics and signal processing, combustion and energy technology, fluid mechanics and manufacturing processes. In the medical technology sector, his experience includes a number of areas, including implantable heart pumps, respiratory systems, orthopedics, neuromonitoring, spine technology, electrical stimulation, vascular technology, healthcare informatics, biological manufacturing and diagnostics.

Additionally, Chuck provides counsel to clients outside of the life sciences sector in industries such as the electronics, consumer products, finance, media and technology industries.

Prior to joining White & Case, Chuck was a partner at an international law firm. 

Bars and Courts

  • Massachusetts State Bar
  • Solicitor, England and Wales
  • US Patent and Trademark Office
  • US District Court for the District of Massachusetts


  • JD, Duke University School of Law
  • MA, Brigham Young University
  • BS, Brigham Young University


  • English


Represented a US medical technology company in European and US patent disputes and litigation, and in strategic portfolio development to protect a cutting edge cardiovascular technology.*

Represented a US media company in defending its patent estate in numerous European opposition proceedings.*

Represented a US pain management company in defending a core patent against inter partes review arguments at the PTAB.*

Represented a US consumer electronic and drug delivery device manufacturer in challenging an estate of competitor patents through inter partes review proceedings at the PTAB.*

Represented a US hardware company as patent proprietor in an opposition before the EPO, successfully defending the patent.*

Represented a US medical device manufacturer in a 2011 reexamination proceeding before the US Patent Office, successfully securing affirmation of patents simultaneously being litigated in US Federal Court.*

Represented a US medical device manufacturer in defending a European patent in the EPO Opposition Division and before the EPO Board of Appeals.*

Represented a US medical instrumentation company in a 2013 EPO opposition of a patent held by a major competitor.*

Represented a US-based consumer goods company in developing and implementing a global patent, trademark and technology licensing program to monetize its intellectual property assets.*

Represented a US-based hospital in a national licensing campaign to enforce core technology for medical diagnostics.*

*Matters prior to joining White & Case.

Speaking Engagements

"European Patent Prayers Answered?", April 2016: American Bar Association Section of Intellectual Property Law 31st Annual Intellectual Property Law Conference,
Bethesda, Maryland

"European Patent/Unification Update", January 2016: National CLE Conference Intellectual Property Program,
Vail, Colorado

"The Impact of the Unified Patent Court on US Companies", November 2015: Association of Corporate Counsel Patent Committee Program,
Palo Alto, California

"Europe's Unitary Patent System: What's Next for US Medical Device Companies?", March 2013: BAIMA Luncheon Seminar,
Palo Alto, California

"5 Deal Killers: IP Due Diligence in Technology Company M&A Transactions", February 2011 : American Intellectual Property Law Association Mid-Winter Institute,
Orlando, Florida

"Securing Patent Rights in Europe", June 2009: Medical Device Manufacturers Association,

"Beyond Business Methods: Assessing the Impact of Bilski on Life Sciences Inventions", January 2009: Boston Bar Association Life Sciences Committee,
Boston, Massachusetts


  • European Patent Practice for U.S. Attorneys, Bloomberg BNA, 2015, (co-author)
  • Exploring the Differences Between Post-Grant Proceedings in the U.S. and the EU, Bloomberg BNA's Patent, Trademark & Copyright Journal, March 2015, (co-author)
  • UPC recap: have you been paying attention?, Intellectual Property Magazine, February 2015, (co-author)
  • United States, Patent Transactions in the Life Sciences, October 2014, (co-author)
  • On the verge of the UPC, Intellectual Property Magazine, March 2013, (co-author)